Tohban Report 2018-01-24

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Tohban Reports
Start Date: 17 Jan 2018
End Date: 24 Jan 2018
Tohban: Juan Carlos Martinez Oliveros
Tohban email:
Next Tohban: Jim McTiernan
List all reports


Solar Activity

Solar activity this week was very low. There are not visible active regions on disk. Solar activity is expected to remain at very low levels throughout the forecast period (23-25 Jan).

The largest event this week was a B9.5 flare hosted by the AR 2696 on 2018/01/22 at 02:37:00. The impulsive phase, peak and part of the decaying phase were observed by RHESSI.

How many GOES flares occurred?

 Flares above B, C, M, X class were      5     0     0     0

And how many of these are listed in the RHESSI flare list?

 Flares above B, C, M, X class were      3     0     0     0

And how many had EXCELLENT coverage?

 Flares above B, C, M, X class were      2     0     0     0

There were RHESSI flares/GOES flares 5 / 6 over the time range 17-Jan-18 24-Jan-18

Memory Management

The SSR reached a maximum of ~12 percent and a minimum of ~0 during the week.

Spacecraft Status

Detectors 3, 6 and 8 are active and taking data.

The cold plate 1 and 2 temperatures are ~156.2K and 154.7K. As last week.

Currently the Cryocooler power is ~65 W and the acceleration is at ~11mg

Data Gaps

No data gaps this week.

= Detector issues

Other notes

Spacecraft Management

On 24 January 2018 Detector 6 was turned back on and ramped to 1100 V at 2018-024-15:34:15 UTC.

2018-024-15:32:22 start idib_on_g6 
2018-024-15:33:02 start ihv_ramp_stage1_g6  ; 171 V
2018-024-15:34:15 /IHVDAC detector=6, voltage=56 ; 1078 V

Decimation Active/Vigorous
HLAT Decimation Rear decimation
Night time data (fronts) plus/minus 4 minutes from daylight
Night time data (rears) plus/minus 4 minutes from daylight
Require extra passes? No
Requirement for moving pointer? No
Attenuator operation logic enabled
Detector problems? See notes above.
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